#!/usr/local/pypy-5.10.0/bin/pypy

import math
import time
import random

def main():
    a=[None] * 5000000


    random.seed(time.time())
    t1=time.time()

    for i in xrange(0, 5000000):
        b=random.random()
        if b>0.5:
            c=math.pow(b,1.546)
        else:
            c=math.pow(b,0.434232)
        d=math.cos(c+i)
        a[i]=math.atan(d)

    t2=time.time()
    print(t2-t1)

main()